Biology is the scientific study of life. It is a natural science with a broad scope but has several unifying themes that tie it together as a single, coherent field. Are You a Biology Student? Take This Quiz As a Mock Test. Are You a Biology Student? Take This Quiz As a Mock Test
A. When it have a nucleus enclosed within a nuclear membrane
B. When its DNA is bound together by proteins in chromosomes
When it lacks a nucleus or any other membrane bound organelle
D. When it exists in form of a colony.
A. Tropical deciduous forest
B. Grassland
C. Temperate forest
D. Savanna
A. Commensalism
B. Mutualism
C. Saprophytism
D. Epiphytism
A. Virus
B. Bacterium
C. Protozoan
D. Plasmodium
A. Immigration
B. Dispersal of fruits and seeds
C. Territorial behavior
C. Territorial behavior
A. Responsibility
B. Interaction
C. Niche
D. Symbiosis
A. Bladder for floating
B. Hold fast for attachment
C. Strong protective and impermeable covering against high salinity
D. Fur to prevent loss of water
E. Retention of urea in the blood for osmoregulation
Option 6
A. COVID 19
B. Staphylococcus
C. AIDs
D. STDs.
A. Get pregnant
B. Avoid breastfeeding
C. Family planning
D. Use condom.
A. Ear ossicles
A. Ear ossicles
C. Oval window
D. Cochlea
A. Seed n' mouse' n snake
B. Grass n' Grasshopper n' toad n' snake
C. Water lettuce n' tad pole n' Fish
D. Cactus n' woodrat n' wasp n' hedgeho
(a) low salt content
(b) high salinity
(c) shallow water
(d) low density
(d) low density
A. Hybrid
B. Allele
C. Recessive
D. Dominant.
A. Pond
B. Puddle
C. Swamp
D. Lake.
A. are also known as thrombocytes
B. have no nucleus
C. are formed in the red bone marrow
D. neutralize the toxins in the blood.
A. Intercostal muscle contract
B. Ribs move forward
C. Thoracic cavity increases
D. Diaphragm Relaxes
A. Engulf invading bacteria
B. Aid in protein formation
C. Transport oxygen to the cells
D. Central blood glucose levels.
A. raw sewage disposal
B. industrial effluent
C. crude oil spillage
D. thermal plant discharge.
A. Tendons
B. Ligament
C. Cartilage
D. Nerves.
A. Serum
B. Tissue
C. Blood plasma
D. Synovial fluid.
A. Lithosphere
B. Atmosphere
C. Biosphere
D. Hydrosphere.
A. Activating certain enzymes
B. Protein synthesis
C. The synthesis of chlorophyll
D. Healthy vegetative growth of plants.
A. All water easily evaporates from uncovered food
B. Hot foods cool off easily when properly covered
C. Microorganisms in air would contaminate the food if left uncovered
D. The taste of the food is maintained when covered
A. Decomposer
B. Consumers
C. Parasites
D. Commensals.
A. Epiphytism
B. Parasitism
C. Symbiosis
D. Saprophytism